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Phenolic epoxy acrylate
B-191A
Product features:
B-191A is a phenolic epoxy acrylate obtained via phenolic epoxy acrylation. It is solvent-free and its reaction process is diluted with approximately 40% by mass of TMPTA. It serves as the primary resin specifically designed for PCB inks.
Recommended use:
Suitable for PCB inks, etc.
Shelf life:
Store at room temperature, sealed and protected from light. Shelf life: 6 months.
Packaging specifications:
200L packaging drum.
Precautions:
None
Product Specifications:
| Project | Indicator | Detection method |
|---|---|---|
| Appearance | Transparent liquid | Visually |
| Color (APHA) | ≤300 | GB/T 3143-1982 (Platinum-Cobalt Method) |
| Viscosity (cps/30℃) | 15,000–25,000 | GB/T 2794-2013 |
| Acid value (mg KOH/g) | ≤2.0 | GB/T 6743-2008 |
| Specific gravity (g/cm3) | 1.16 ± 0.02 | GB/T 6750-2007 |
| Refractive index (25℃) | 1.532 ± 0.005 | GB/T 614-2006 |
| Active ingredient (%) | 100 | Theoretical value |
| Functionality | 3-4 | Theoretical value |
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